1206222156200 has 96 divisors (see below), whose sum is σ = 2823991128000. Its totient is φ = 479131968000.

The previous prime is 1206222156187. The next prime is 1206222156241. The reversal of 1206222156200 is 26512226021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133147271 + ... + 133156329.

It is an arithmetic number, because the mean of its divisors is an integer number (29416574250).

Almost surely, 2^{1206222156200} is an apocalyptic number.

1206222156200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206222156200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411995564000).

1206222156200 is an abundant number, since it is smaller than the sum of its proper divisors (1617768971800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206222156200 is a wasteful number, since it uses less digits than its factorization.

1206222156200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 1206222156200 in words is "one trillion, two hundred six billion, two hundred twenty-two million, one hundred fifty-six thousand, two hundred".